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Finding the Fourth Proportional to 521,627.40, 782,246.70 and 184,537.80

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Solution

The fourth proportional to 521,627.40, 782,246.70 and 184,537.80 is: 276,737.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,627.40 : 782,246.70 = 184,537.80 : x
  2. Step 2: Convert to fraction form
    521,627.40/782,246.70 = 184,537.80/x
  3. Step 3: Cross multiply
    521,627.40x = 782,246.70 × 184,537.80
  4. Step 4: Simplify right side
    521,627.40x = 144,354,085,075.26
  5. Step 5: Solve for x
    x = 144,354,085,075.26/521,627.40
  6. Step 6: Final answer
    x = 276,737.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.